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drbd: New sync parameters for the smart resync rate controller

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Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
This commit is contained in:
Philipp Reisner 2010-07-05 13:42:03 +02:00
parent d28fd092a5
commit 9a31d7164d
4 changed files with 25 additions and 13 deletions
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24
include/linux/drbd_limits.h
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@ -134,21 +134,21 @@
#define DRBD_MAX_BIO_BVECS_MAX 128
#define DRBD_MAX_BIO_BVECS_DEF 0
#define DRBD_DP_VOLUME_MIN 4
#define DRBD_DP_VOLUME_MAX 1048576
#define DRBD_DP_VOLUME_DEF 16384
#define DRBD_C_PLAN_AHEAD_MIN 0
#define DRBD_C_PLAN_AHEAD_MAX 300
#define DRBD_C_PLAN_AHEAD_DEF 0 /* RS rate controller disabled by default */
#define DRBD_DP_INTERVAL_MIN 1
#define DRBD_DP_INTERVAL_MAX 600
#define DRBD_DP_INTERVAL_DEF 5
#define DRBD_C_DELAY_TARGET_MIN 1
#define DRBD_C_DELAY_TARGET_MAX 100
#define DRBD_C_DELAY_TARGET_DEF 10
#define DRBD_RS_THROTTLE_TH_MIN 1
#define DRBD_RS_THROTTLE_TH_MAX 600
#define DRBD_RS_THROTTLE_TH_DEF 20
#define DRBD_C_FILL_TARGET_MIN 0
#define DRBD_C_FILL_TARGET_MAX 100000
#define DRBD_C_FILL_TARGET_DEF 0 /* By default disabled -> controlled by delay_target */
#define DRBD_RS_HOLD_OFF_TH_MIN 1
#define DRBD_RS_HOLD_OFF_TH_MAX 6000
#define DRBD_RS_HOLD_OFF_TH_DEF 100
#define DRBD_C_MAX_RATE_MIN 250 /* kByte/sec */
#define DRBD_C_MAX_RATE_MAX (4 << 20)
#define DRBD_C_MAX_RATE_DEF 102400
#undef RANGE
#endif